Definition of heelers:
(n) :
A dog that readily comes to heel.
(n) :
(Australia) A dog used for cattle droving.
(n) :
A quick runner.
(n) :
The rodeo performer who ropes the steer by its hind feet after the header has turned it.
(n) :
(US, slang, politics, dated) A dependent and subservient hanger-on of a political patron.
(n) :
A gamecock that strikes well with its heels or spurs.